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Beschreibung

This Standard Reference Material (SRM®) is a solution of ethanol (ethyl alcohol: Chemical Abstracts Service [CAS] Registry Number 64-17-5) in water at a nominal concentration of 0.02 % by mass. NIST-2893 is intended primarilyfor use in the calibration of instruments and techniques used for the determination of ethanol in blood. Thisconcentration along with five other levels (nominal concentrations of 0.02 %, 0.04 %, 0.08 %, 0.1 %, 0.2 %, and 0.3 % by mass) are available as a set in NIST-1828b and as individual solutions in SRMs 2891 through 2896, respectively. A second NIST-suite, NIST-1847, is intended primarily for the calibration of instruments and techniques used for the determination of ethanol in breath. NIST-1847 is a set of three levels (nominalconcentrations of 2 %, 6 %, and 25 % by mass). These three levels are also available as individual solutions in SRMs 2897 through 2899, respectively. A unit of NIST-2893 consists of five 2-milliliter ampoules, each containing approximately 1.2 mL of solution. /// Sample value(s) - please ask for current certificate.